Plant Encyclopedia
Search and identify 1,000+ plants, flowers, trees, and succulents — with care, light, water, and how to tell them apart.
Passionflower
Passionflower is a vigorous climbing vine famous for its intricate, fringed purple-and-white blooms. The maypop form (Passiflora incarnata) is hardy in temperate gardens and produces egg-shaped fruits.
flower
Blue Spruce
Blue Spruce is a striking conifer famous for its stiff, silvery-blue needles and classic pyramidal form. It is a popular ornamental and Christmas tree in cold climates.
tree
Blue Chalksticks
Blue chalksticks is a spreading ground-cover succulent with slender, upright, powdery blue-green finger-like leaves. Its cool blue color and low, mounding habit make it a popular landscape and container plant.
succulent
Blue Jacaranda
The blue jacaranda is a subtropical tree celebrated for its spectacular spring display of violet-blue trumpet flowers that blanket the canopy and carpet the ground beneath. Its fine, fern-like foliage makes it a graceful landscape and avenue tree.
tree
Blue Star Fern
An epiphytic fern with broad, deeply lobed fronds in a soft blue-green hue and fuzzy golden-brown rhizomes. It is more forgiving than many ferns and tolerates average household humidity.
fern
Blue Flame Cactus
A fast-growing, heavily branching columnar cactus with powdery blue-green ribbed stems. Its many upright arms cluster like dancing flames, hence the name.
succulent
Blue-eyed Grass
A dainty native wildflower that, despite its name and grassy leaves, is actually a member of the iris family. It produces small, star-shaped blue-violet flowers with bright yellow centers atop slender, flattened stems.
flower
Blue Star Juniper
Blue Star Juniper is a compact, mounding dwarf conifer with dense, silvery-blue, awl-shaped needles, prized as a low-maintenance ground-cover shrub.
shrub
Colorado Blue Spruce
A striking conifer prized for its stiff, sharp, silvery-blue needles and tidy pyramidal form. Native to the Rocky Mountains and a popular ornamental and Christmas tree.
tree
Cebu Blue Pothos
Cebu Blue is a fast-growing aroid prized for its shimmery, silvery-blue lance-shaped leaves. As it matures it can fenestrate, developing splits reminiscent of its relative Epipremnum pinnatum.
houseplant
Blue Flag Iris
A native North American wetland iris with striking violet-blue flowers veined in yellow and white. It thrives in marshes, pond margins, and wet meadows.
flower
Blue Glow Agave
A compact hybrid agave forming a tidy rosette of blue-green leaves edged with a glowing red-and-yellow margin that lights up when backlit by sun. It is a refined, slow-growing landscape gem.
succulent
Great Blue Lobelia
A native North American perennial producing tall spikes of vivid blue, two-lipped flowers in late summer. It is the blue counterpart to the red cardinal flower and loves moist ground.
flower
Passion Fruit
A vigorous tropical climbing vine grown for its intricate, exotic flowers and its rounded fruit. The purple passion fruit is the most widely cultivated variety.
shrub
Bluebeard
Bluebeard is a compact late-summer shrub smothered in clusters of blue flowers that pollinators adore. It is heat- and drought-tolerant and blooms when most shrubs have finished.
shrub
Bluebell
Bluebells are spring bulbs that carpet woodlands in hazy drifts of nodding, violet-blue bells. The native English bluebell is a protected woodland icon, distinct from the more vigorous Spanish bluebell.
flower
Bachelor's Button
Bachelor's button, or cornflower, is an easy cottage-garden annual famous for its intense true-blue, fringed flowers that are excellent for cutting.
flower
Blueberry
Blueberries are deciduous fruiting shrubs grown for their round, dusty-blue berries. They demand acidic, moist, well-drained soil and reward growers with both fruit and brilliant autumn color.
shrub
Globe Thistle
Globe thistle is a bold, architectural perennial topped with spherical, steel-blue flower heads above spiny, gray-green foliage. It is drought-tolerant and irresistible to bees.
flower
Floss Flower
Floss flower is a compact annual covered in fluffy, thread-like clusters of blue, lavender, pink, or white blooms that flower nonstop all summer.
flower
Cape Daisy
A sun-loving South African daisy with vivid, often metallic-blue-centered blooms in purple, white, and orange, prized for nonstop color in beds and containers.
flower
Texas Bluebonnet
The Texas bluebonnet is the iconic state flower of Texas, a spring-blooming wildflower lupine that carpets roadsides and fields in sweeps of deep blue with white-tipped flower spikes.
flower
Annual Bluegrass
A low-growing, light-green annual grass that is one of the most widespread lawn and turf weeds in the world. It forms clumps, seeds prolifically even when mowed short, and turns unsightly in summer heat.
grass
Skullcap
Skullcap is a slender North American mint-family herb with tiny blue, two-lipped flowers. It takes its name from the small helmet- or skull-cap-shaped appendage on the calyx of each bloom.
herb